Brand: Pilot
Model: 2020 Shaker
Size: standard size, lead size: 0.5 mm.
General condition:
- Made in Japan in the 1980s. Old stock from an old shop, in factory sealed blister pack.
- Barrel is made of aluminum, with transparent grip.
- Shake or push button to advance lead.
- I can't check it, but I believe the mechanical parts work well.